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This mode still exists for backwards compatibility, making
sslmode=require the same as sslmode=verify-ca when the file is present,
but not causing an error when it isn't.
Per bug 6189, reported by Srinivas Aji
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We were mapping "Central America Standard Time" to "CST6CDT", which seems
entirely wrong, because according to the Olson timezone database noplace
in Central America observes daylight savings time on any regular basis ---
and certainly not according to the USA DST rules that are implied by
"CST6CDT". (Mexico is an exception, but they can be disregarded since
they have a separate timezone name in Windows.) So, map this zone name to
plain "CST6", which will provide a fixed UTC offset.
As written, this patch will also result in mapping "Central America
Daylight Time" to CST6. I considered hacking things so that would still
map to CST6CDT, but it seems it would confuse win32tzlist.pl to put those
two names in separate entries. Since there's little evidence that any
such zone name is used in the wild, much less that CST6CDT would be a good
match for it, I'm not too worried about what we do with it.
Per complaint from Pratik Chirania.
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I wasn't aware of this script till Magnus mentioned it just now ...
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This is not actually used anywhere yet, but it gets the basic
infrastructure in place. It is fairly likely that there are bugs, and
support for some important platforms may be missing, so we'll need to
refine this as we go along.
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This is still a bit of a hack, but it's better than the old way, for sure.
KaiGai Kohei, with one change by me to make it compile
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Fujii Masao, reviewed by Cédric Villemain, with some doc changes by me.
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Jaime Casanova
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Man, we fixed a lotta bugs since April.
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This provides information about the numbers of tuples that were visited
but not returned by table scans, as well as the numbers of join tuples
that were considered and discarded within a join plan node.
There is still some discussion going on about the best way to report counts
for outer-join situations, but I think most of what's in the patch would
not change if we revise that, so I'm going to go ahead and commit it as-is.
Documentation changes to follow (they weren't in the submitted patch
either).
Marko Tiikkaja, reviewed by Marc Cousin, somewhat revised by Tom
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Per bug #6205, reported by Abel Abraham Camarillo Ojeda. This isn't a
particularly elegant fix, but I'm trying to minimize the chances of
causing yet another round of breakage.
Adjust regression tests to exercise this case.
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Forgot to consider this case ...
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The standardized errno code for "no such locale" failures is ENOENT, which
we were just reporting at face value, viz "No such file or directory".
Per gripe from Thom Brown, this might confuse users, so add an errdetail
message to clarify what it means. Also, report newlocale() failures as
ERRCODE_INVALID_PARAMETER_VALUE rather than using
errcode_for_file_access(), since newlocale()'s errno values aren't
necessarily tied directly to file access failures.
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plpgsql's exec_stmt_execsql was Assert'ing that a CachedPlanSource was
is_valid immediately after exec_prepare_plan. The risk factor in this case
is that after building the prepared statement, exec_prepare_plan calls
exec_simple_check_plan, which might try to generate a generic plan --- and
with CLOBBER_CACHE_ALWAYS or other unusual causes of invalidation, that
could result in an invalidation. However, that path could only be taken
for a SELECT query, for which we need not set mod_stmt. So in this case
I think it's best to just remove the Assert; it's okay to look at a
slightly-stale querytree for what we need here. Per buildfarm testing.
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The regression tests were failing with CLOBBER_CACHE_ALWAYS enabled,
as reported by buildfarm member jaguar. There was an Assert in
BuildCachedPlan that asserted that the CachedPlanSource hadn't been
invalidated since we called RevalidateCachedQuery, which in theory can't
happen because we are holding locks on all the relevant database objects.
However, CLOBBER_CACHE_ALWAYS generates a false positive by making an
invalidation happen anyway; and on reflection, that could also occur as a
result of a badly-timed sinval reset due to queue overflow. We could just
remove the Assert and forge ahead with the not-really-stale querytree, but
it seems safer to do another RevalidateCachedQuery call just to make real
sure everything's OK.
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This reverts commit 79b2ee20c8a041a85dd230c4e787bef22edae57b, which proved
to not be very informative; it looks like the "pgstat wait timeout"
warnings in the buildfarm are just a symptom of running on heavily loaded
machines, and there isn't any weird mechanism causing them to appear.
To try to reduce the frequency of buildfarm failures from this effect,
increase PGSTAT_MAX_WAIT_TIME from 5 seconds to 10.
Also, arrange to not send a fresh inquiry message every single time through
the loop, as that seems more likely to cause problems (by swamping the
collector) than fix them. We'll now send an inquiry the first time through
the delay loop, and every 640 msec thereafter.
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This is implemented as a per-column boolean option, rather than trying
to match COPY's convention of a single option listing the column names.
Shigeru Hanada, reviewed by KaiGai Kohei
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As observed by Heikki, we need not conflict on heap page locks during an
insert; heap page locks are only aggregated tuple locks, they don't imply
locking "gaps" as index page locks do. So we can avoid some unnecessary
conflicts, and also do the SSI check while not holding exclusive lock on
the target buffer.
Kevin Grittner, reviewed by Jeff Davis. Back-patch to 9.1.
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Now that a NULL ParamListInfo pointer causes significantly different
behavior in plancache.c, be sure to pass it that way when the expression
is known not to reference any plpgsql variables. Saves a few setup
cycles anyway.
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This oversight led to a massive memory leak --- upwards of 10KB per tuple
--- during creation-time verification of an exclusion constraint based on a
GIST index. In most other scenarios it'd just be a leak of 10KB that would
be recovered at end of query, so not too significant; though perhaps the
leak would be noticeable in a situation where a GIST index was being used
in a nestloop inner indexscan. In any case, it's a real leak of long
standing, so patch all supported branches. Per report from Harald Fuchs.
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Rewrite plancache.c so that a "cached plan" (which is rather a misnomer
at this point) can support generation of custom, parameter-value-dependent
plans, and can make an intelligent choice between using custom plans and
the traditional generic-plan approach. The specific choice algorithm
implemented here can probably be improved in future, but this commit is
all about getting the mechanism in place, not the policy.
In addition, restructure the API to greatly reduce the amount of extraneous
data copying needed. The main compromise needed to make that possible was
to split the initial creation of a CachedPlanSource into two steps. It's
worth noting in particular that SPI_saveplan is now deprecated in favor of
SPI_keepplan, which accomplishes the same end result with zero data
copying, and no need to then spend even more cycles throwing away the
original SPIPlan. The risk of long-term memory leaks while manipulating
SPIPlans has also been greatly reduced. Most of this improvement is based
on use of the recently-added MemoryContextSetParent primitive.
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needs win32setlocale.c now. The cygwin and MSVC build scripts were changed
earlier, but this was neglected. This should fix bug report #6203 by Steve.
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REPLICATION privileges, not SUPERUSER.
Fujii Masao
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This dramatically cuts short the number of headers the public one brings
into whatever includes it.
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Make it return NULL for the option_value, instead.
Per report from Frank van Vugt. Back-patch to 8.4 where this code was
added.
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findtimezone.c needs to know this setting too. Per Peter Eisentraut.
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queuedForEmptying flag correctly on buffer when adding it to the queue.
Also, don't add buffer to the queue if it's there already. These were
harmless oversights; failing to set the flag just means that a buffer might
get added to the queue twice if more tuples are added to it (although that
can't actually happen at this point because all the upper buffers have
already been emptied), and having the same buffer twice in the emptying
queue is harmless. But better be tidy.
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This function will be useful for altering the lifespan of a context after
creation (for example, by creating it under a transient context and later
reparenting it to belong to a long-lived context). It costs almost no new
code, since we can refactor what was there. Per my proposal of yesterday.
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This addresses only those cases that are easy to fix by adding or
moving a const qualifier or removing an unnecessary cast. There are
many more complicated cases remaining.
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Apparently, this only happens on 64-bit platforms.
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BREAKAGE.
Remove double-quoting of index/table names in reindexdb. BACKWARD
COMPABILITY BREAKAGE.
Document thate user/database names are preserved with double-quoting by
command-line tools like vacuumdb.
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Add __attribute__ decorations for printf format checking to the places that
were missing them. Fix the resulting warnings. Add
-Wmissing-format-attribute to the standard set of warnings for GCC, so these
don't happen again.
The warning fixes here are relatively harmless. The one serious problem
discovered by this was already committed earlier in
cf15fb5cabfbc71e07be23cfbc813daee6c5014f.
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New header datatype/timestamp.h should be installed for server-side dev.
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Reported by Grzegorz Szpetkowski.
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I thought we had enough infrastructure to absorb CPPFLAGS changes from
the makefiles, but buildfarm says otherwise.
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We were doing some amazingly complicated things in order to avoid running
the very expensive identify_system_timezone() procedure during GUC
initialization. But there is an obvious fix for that, which is to do it
once during initdb and have initdb install the system-specific default into
postgresql.conf, as it already does for most other GUC variables that need
system-environment-dependent defaults. This means that the timezone (and
log_timezone) settings no longer have any magic behavior in the server.
Per discussion.
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As per my recent proposal, this refactors things so that these typedefs and
macros are available in a header that can be included in frontend-ish code.
I also changed various headers that were undesirably including
utils/timestamp.h to include datatype/timestamp.h instead. Unsurprisingly,
this showed that half the system was getting utils/timestamp.h by way of
xlog.h.
No actual code changes here, just header refactoring.
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When building a GiST index that doesn't fit in cache, buffers are attached
to some internal nodes in the index. This speeds up the build by avoiding
random I/O that would otherwise be needed to traverse all the way down the
tree to the find right leaf page for tuple.
Alexander Korotkov
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Also set the documented release date to 2011-09-12.
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Trailing-zero stripping applied by the FM specifier could strip zeroes
to the left of the decimal point, for a format with no digit positions
after the decimal point (such as "FM999.").
Reported and diagnosed by Marti Raudsepp, though I didn't use his patch.
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Backpatch to 9.1.
By Hiroshi Saito
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